There are over 100 member states or associates of BIPM. An intergovernmental, international agency called BIPM (Bureau International des Poids et Mesures) sets terms and definitions for weights and measures under this system. The Spruce Home Improvement Review BoardĮlectrical terms and definitions such as watts and volts are set by a system called SI (International System of Units).Initially you must choose the type of current you want AC or DC and the number of phases in case of choosing AC, then you must enter the data shown on the left side of the tool, it is important to review what is requested in the table due to the fact that according to what is required, line-line or neutral-line voltage must be input, then you must enter the power factor and finally the amperage. How to use the calculator from Volts to Watts: Power Factor Requirements for Electronic Loads in California- Brian Fortenbery, 2014 Reference // Power Factor in Electrical Energy Management-A. Bhatia, BE-2012 Typical power factors uncorrected in motors: Horse power Legacy color television CRT-Based color televisionĬomputer monitor Legacy flat panel computer monitor Typical power factor without correction in household appliances: Electronic equipment Below the A to W calculator you will also find a table with calculated watts from amps for 120V and 220V voltage systems. LearnMetrics has prepared handy amps to watts calculator you can freely use. Typical power factor uncorrected in different constructions: buildings To calculate watts, we need both the amperage and voltage (usually either 120V or 220V). Most common and typical power factors for buildings, appliances and motors. For different variables you should use the calculator that appears at the beginning. Note: The previous conversions take into account a power factor of 0.8, an amperage of 10 Amp and a three-phase AC power. Volts to Watts, table for conversion, equivalence, transformation (Amperes = 10Amp, Fp = 0.8, AC, 3F): How many Volts are: Rta: // As it is a three-phase illuminaicon, the formula must be taken: (√3xV (LL) xIxF.P = watts), then replacing the variables I get: √3x480x200x0,87 = 144,660Watts. The lighting of an industry has a three-phase voltage of 480Volts (LL), a power factor of 0.87 and an amperage of 200Amp, how many Watts does the lighting have ?. ![]() Rta: // Take the formula for two-phase equipment (Formula: 2xV (LN) xIxF.P = watts), because we have the LL voltage, we must pass it to LN, in the following way: multiply 220V (LL) / √3 = 127V (LN), this is the way in which the voltage from Linea-Linea to Linea-Neutro is converted, then we simply multiply the variables that appear in the formula: 2x127x8x0,96 = 1950Watts. ![]() Rta: // The first thing to do is identify the formula to be used, because the equipment is single-phase and AC (alternating current), you should use the formula: V (LN) xIxF.P, replacing the variables would be: 127Vx4.3 × 0.92 = 502.41Watts.Ī biphasic hair dryer has an AC voltage of 220V (LL), an amperage of 8Amperes and a power factor of 0.96, which will be the power in watts of the hair dryer ?. ![]() Examples of conversions from volts to Watts:Ī single-phase vacuum has an AC voltage of 127 volts (LN), 4.3 Amps and a power factor of 0.92, how many watts does the vacuum have? Byexample: A biphasic coffee machine has a voltage of 240V (AC, LN), a power factor of 0.81 and a current of 5.4Amp, how many watts does the coffee machine have? To know the answer you just have to take the formula to find biphasic watts by multiplying the variables in the following way: 2x240x5,4 × 0.81 = 2099.52Watts (Formula: V (LN) xIxF.Px2 = watts). You only have to multiply the variables shown in the formula, according to the type of DC or AC current and the number of phases. How to convert from volts to watts in 1 single step: How to use the calculator from Volts to Watts:įormula to convert, pass, calculate and transform from volts to watts, single-phase, two-phase and three-phase:
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